Begin basic playground code, eventually will become a model viewer

playground/build.gradle

@@ -0,0 +1,29 @@
+plugins {
+    id 'java'
+    id 'application'
+}
+
+mainClassName = 'com.itspazaz.rt4.Playground'
+version = '1.0.0'
+
+sourceCompatibility = 1.8
+targetCompatibility = 1.8
+
+compileJava.options.encoding = 'UTF-8'
+
+tasks.withType(JavaCompile) {
+    options.encoding = 'UTF-8'
+}
+
+dependencies {
+    compileOnly project(':deob-annotations')
+    implementation project(':signlink')
+    implementation project(':client') // TODO: abstract client/engine code
+}
+
+jar {
+    manifest {
+        attributes 'Main-Class': "$mainClassName"
+    }
+    from { configurations.compileClasspath.collect { it.isDirectory() ? it : zipTree(it) } }
+}

playground/src/main/java/com/itspazaz/rt4/Playground.java

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+package com.itspazaz.rt4;
+
+import rt4.*;
+
+public class Playground extends GameShell {
+    public static Playground instance;
+
+    public static void main(String[] args) {
+        instance = new Playground();
+        instance.startApplication(32, "runescape");
+        GameShell.frame.setLocation(40, 40);
+    }
+
+    @Override
+    public void init() {
+        instance = this;
+        this.startApplet(32);
+    }
+
+    @Override
+    protected void mainInit() {
+        Keyboard.init();
+        Keyboard.start(GameShell.canvas);
+        Mouse.start(GameShell.canvas);
+        SoftwareRaster.frameBuffer.makeTarget();
+    }
+
+    @Override
+    protected void mainLoop() {
+        Keyboard.loop();
+        Mouse.loop();
+
+        GameShell.frame.setTitle(Keyboard.pressedKeys[Keyboard.KEY_CTRL] ? "pressed" : "not pressed");
+    }
+
+    @Override
+    protected void mainRedraw() {
+        SoftwareRaster.clear();
+
+        SoftwareRaster.drawRect(50, 50, 100, 100, 0xFF00FF);
+
+        SoftwareRaster.frameBuffer.draw(GameShell.canvas.getGraphics());
+    }
+
+    @Override
+    protected void mainQuit() {
+        Keyboard.stop(GameShell.canvas);
+        Mouse.stop(GameShell.canvas);
+        Keyboard.quit();
+        Mouse.quit();
+    }
+
+    @Override
+    protected void reset() {
+    }
+}